What is the county seat of Cass County?

The county seat of Cass County is Logansport.

Is there an online parcel map for Cass County?

Yes. Indiana Geographic Information Office (IndianaMap) publishes a parcel map of 25,571 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.

Has Cass County's boundary or name changed?

Cass County was created in 1829 from Carroll County, Adams County, Wabash County and Hamilton County. Since then the Atlas of Historical County Boundaries records 16 later changes, chiefly involving Adams County, Fulton County and Miami County.

Is my lot in a flood zone?

We do not have flood maps for Cass County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

County · code 18017

Cass CountyIndiana

Cass County is a county in Indiana with its seat in Logansport. It was created on April 14, 1829, from Carroll, Adams, Wabash, and Hamilton counties and named after Lewis Cass.

Founded1829
County seatLogansport
Named forLewis Cass
Land area412 sq mi + 2.7 sq mi water
Population37,870 2020 Census
Parcels mapped25,571 checked 15 October 2026

Open the free map Click any parcel in Cass County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated 19 October 2026

Census outline · seat marked

History

Formed in 1829 from Carroll County, Adams County, Wabash County and Hamilton County

An old deed may name a county that no longer exists, or a boundary that has since moved.

When Cass County was created in 1829, it was formed from parts of Carroll, Adams, Wabash, and Hamilton counties. Over the following years, Cass County lost territory as new counties were created from its lands, including Elkhart, St. Joseph, Grant, Miami, Fulton, Kosciusko, Marshall, Pulaski, and Starke counties between 1830 and 1835.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

1829
Cass County created Cass created from Non-County Area 11 attached to Carroll, from part of Adams New Purchase attached to Carroll, and from the small piece of Wabash New Purchase attached to Carroll. Non-County Area 12 was attached to Cass. Adams New Purchase was detached from Carroll, and part of Adams New Purchase was detached from Hamilton, both areas were attached to Cass. All attachments were for administrative and judicial purposes.
from Carroll from Adams from Wabash from Hamilton
14 April 1829 · Ind. Acts 1828, 13th sess., ch. 19/p. 26 and ch. 20/p. 28
1830
Lost territory Cass lost part of Non-County Area 12 attachment to creation of Elkhart and St. Joseph.
to Elkhart to St. Joseph
1 April 1830 · Ind. Acts 1829, 14th sess., ch. 23, secs. 1-2, 7-9, 14/pp. 28-31
1831
Lost territory Cass lost part of Adams New Purchase attachment to creation of Grant; part of Adams New Purchase was detached from Cass and attached to Grant. Non-County Area 12 attached to Cass lost to Non-County Area 13 attached to Elkhart and to Non-County Area 14 attached to St. Joseph; also lost to creation of Non-County Area 15 attached to Grant.
to Adams to Grant to Elkhart to St. Joseph
1 April 1831 · Ind. Acts 1830, 15th sess., spec., ch. 12, secs. 1-2, 7-8/pp. 16-18
1832
Lost territory Cass lost part of Adams New Purchase attachment and part of Non-County Area 12 attachment to creation of Wabash; Wabash not fully organized, part attached to Cass for administrative and judicial purposes.
to Adams to Wabash
2 February 1832 · Ind. Acts 1831, 16th sess., ch. 119, secs. 1-2/pp. 112-113
1832
Gained territory Cass gained part of Adams New Purchase attached to Cass, lost to creation of Miami. Cass lost part of Non-County Area 12 attachment and remainder of Adams New Purchase attachment to creation of Miami; Miami not fully organized, attached to Cass for administrative and judicial purposes.
from Adams from Miami
2 April 1832 · Ind. Acts 1831, 16th sess., ch. 119, secs. 3, 5/p. 113

Show all 18 changes (13 more)

1829
Cass County created Cass created from Non-County Area 11 attached to Carroll, from part of Adams New Purchase attached to Carroll, and from the small piece of Wabash New Purchase attached to Carroll. Non-County Area 12 was attached to Cass. Adams New Purchase was detached from Carroll, and part of Adams New Purchase was detached from Hamilton, both areas were attached to Cass. All attachments were for administrative and judicial purposes.
from Carroll from Adams from Wabash from Hamilton
14 April 1829 · Ind. Acts 1828, 13th sess., ch. 19/p. 26 and ch. 20/p. 28
1830
Lost territory Cass lost part of Non-County Area 12 attachment to creation of Elkhart and St. Joseph.
to Elkhart to St. Joseph
1 April 1830 · Ind. Acts 1829, 14th sess., ch. 23, secs. 1-2, 7-9, 14/pp. 28-31
1831
Lost territory Cass lost part of Adams New Purchase attachment to creation of Grant; part of Adams New Purchase was detached from Cass and attached to Grant. Non-County Area 12 attached to Cass lost to Non-County Area 13 attached to Elkhart and to Non-County Area 14 attached to St. Joseph; also lost to creation of Non-County Area 15 attached to Grant.
to Adams to Grant to Elkhart to St. Joseph
1 April 1831 · Ind. Acts 1830, 15th sess., spec., ch. 12, secs. 1-2, 7-8/pp. 16-18
1832
Lost territory Cass lost part of Adams New Purchase attachment and part of Non-County Area 12 attachment to creation of Wabash; Wabash not fully organized, part attached to Cass for administrative and judicial purposes.
to Adams to Wabash
2 February 1832 · Ind. Acts 1831, 16th sess., ch. 119, secs. 1-2/pp. 112-113
1832
Gained territory Cass gained part of Adams New Purchase attached to Cass, lost to creation of Miami. Cass lost part of Non-County Area 12 attachment and remainder of Adams New Purchase attachment to creation of Miami; Miami not fully organized, attached to Cass for administrative and judicial purposes.
from Adams from Miami
2 April 1832 · Ind. Acts 1831, 16th sess., ch. 119, secs. 3, 5/p. 113
1833
Boundary clarified Cass boundaries were clarified (no change).
no change
30 January 1833 · Ind. Acts 1832, 17th sess., ch. 39/p. 38
1834
Lost territory Cass lost to Miami, and lost part of Non-County Area 12 attachment to Miami; Miami fully organized, detached from Cass.
to Miami
1 March 1834 · Ind. Acts 1833, 18th sess., ch. 28/p. 64
1834
Gained territory Non-County Area 12 attached to Cass gained from Non-County Area 14 attached to St. Joseph.
from St. Joseph
24 December 1834 · Ind. Acts 1834, 19th sess., gen., ch. 57/p. 77
1835
Lost territory Cass lost part of Non-County Area 12 attachment to creation of Fulton, Kosciusko, Marshall, Pulaski, and Starke; new counties not fully organized, parts attached to Cass for administrative and judicial purposes.
to Fulton to Kosciusko to Marshall to Pulaski to Starke
7 February 1835 · Ind. Acts 1834, 19th sess., gen., ch. 25, sec. 10/p. 46
1835
Changed Wabash fully organized, detached from Cass.
Wabash
1 March 1835 · Ind. Acts 1834, 19th sess., gen., ch. 23/p. 42
1836
Changed Fulton and Marshall fully organized, detached from Cass.
Fulton Marshall
1 April 1836 · Ind. Acts 1835, 20th sess., gen., ch. 16, 17/pp. 48, 49
1836
Changed Kosciusko fully organized, detached from Cass.
Kosciusko
1 June 1836 · Ind. Acts 1835, 20th sess., gen., ch. 21, sec. 1/p. 55
1838
Gained territory Cass gained part of Non-County Area 12 attached to Cass; lost remaining Non-County Area 12 attachment to Fulton, Miami, and Wabash.
from Fulton from Miami from Wabash
17 February 1838 · Ind. Acts 1837, 22d sess., loc., ch. 61, secs. 41, 48, 50, 52, 64-66, 70-71, 75-78/pp. 241-266; Pence and Armstrong, 406
1839
Changed Part of Adams New Purchase (Great Miami Reservation) was attached to Cass for administrative and judicial purposes.
Adams
16 February 1839 · Ind. Acts 1838, 23d sess., gen., ch. 63/p. 75
1839
Changed Pulaski fully organized, detached from Cass.
Pulaski
6 May 1839 · Ind. Acts 1838, 23d sess., gen., ch. 19/p. 34
1844
Lost territory Cass lost Adams New Purchase attachment to creation of Richardville (now Howard) and Tipton; Richardville and Tipton not fully organized, parts attached to Cass for administrative and judicial purposes.
to Adams to Richardville to Howardto Tipton
15 January 1844 · Ind. Acts 1843, 28th sess., gen., ch. 3, secs. 1-2, 6/pp. 10-11
1844
Changed Richardville (now Howard) and Tipton fully organized, detached from Cass.
Richardville HowardTipton
1 May 1844 · Ind. Acts 1843, 28th sess., gen., ch. 3, sec. 6/p. 11
1850
Changed Starke fully organized, detached from Cass.
Starke
15 January 1850 · Ind. Acts 1849, 34th sess., gen., ch. 258/p. 213

Land and parcels

What the maps cover in Cass

Who publishes each layer, how good it is, and when we last checked.

Parcels Good enough

Lot lines and tax-map numbers for 25,571 parcels from Indiana Geographic Information Office (IndianaMap). Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 6 October 2026 · checked 15 October 2026
Address points Official

One point per address, 17,164 in all from Indiana Geographic Information Office (IGIO).
edited 8 March 2026 · checked 13 October 2026
Buildings Reference

Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026

Official: from the office that keeps the record
Good enough: a reliable statewide or national copy
Fallback: a guide only; check the official record
Missing: nothing public found yet

People and land

Cass by the Census

Population

37,870 2020 Census count

Housing units

16,379 2020 Census count

Land area

412 square miles

Water area

2.7 square miles

People per sq mi

92 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Inside a city or town, permits usually come from that city rather than the county.

Zoning and code

Code of Ordinancesfrom codelibrary.amlegal.com
Ordinances & Resolutionsfrom in.gov

County government

County government
The official website of Cass County.
co.cass.in.us

See your own lot on these maps

Open Cass County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

Open the free map no sign-in Pro early access

Questions

Common questions about Cass County

When was Cass County founded?: Cass County was founded in 1829, formed from Carroll County, Adams County, Wabash County and Hamilton County, and named after Lewis Cass.
What is the county seat of Cass County?: The county seat of Cass County is Logansport.
Is there an online parcel map for Cass County?: Yes. Indiana Geographic Information Office (IndianaMap) publishes a parcel map of 25,571 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Cass County's boundary or name changed?: Cass County was created in 1829 from Carroll County, Adams County, Wabash County and Hamilton County. Since then the Atlas of Historical County Boundaries records 16 later changes, chiefly involving Adams County, Fulton County and Miami County.
Is my lot in a flood zone?: We do not have flood maps for Cass County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby